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https://www.readbyqxmd.com/read/27919209/evaluation-of-echocardiographic-abnormalities-in-hiv-positive-patients-treated-with-antiretroviral-medications
#1
Sina Moradmand Badie, Mehrnaz Rasoulinejad, Mohammadreza Salehi, Hamid Emadi Kochak, SeyedAhmad SeyedAlinaghi, Seyed Ali Dehghan Manshadi, Fatemeh Jahanjo Amin Abad, Banafsheh Moradmand Badie
BACKGROUND: Echocardiography is a reliable means for the diagnosis of functional and valvular diseases of the heart in HIV positive and HIV negative patients. The current study was to evaluate echocardiographic abnormalities in HIV positive patients under an antiretroviral therapy (ART) program in Tehran, Imam Khomeini Hospital, Iran. METHODS: This is a descriptive cross-sectional study, conducted among 231 HIV positive patients under ART. All HIV positive patients including 150 men (65%) and 81 women (35%) (mean age of 41 years) were assessed by trans-thoracic echocardiography (TTE) in Imam Khomeini Hospital, over the period from 2013 to 2014...
December 5, 2016: Infectious Disorders Drug Targets
https://www.readbyqxmd.com/read/27917437/nicotine-plus-a-high-fat-diet-triggers-cardiomyocyte-apoptosis
#2
Indrani Sinha-Hikim, Theodore C Friedman, Mark Falz, Victor Chalfant, Mohammad Kamrul Hasan, Jorge Espinoza-Derout, Desean L Lee, Carl Sims, Peter Tran, Sushil K Mahata, Amiya P Sinha-Hikim
Cigarette smoking is an important risk factor for diabetes, cardiovascular disease and non-alcoholic fatty liver disease. The health risk associated with smoking can be aggravated by obesity. Smoking might also trigger cardiomyocyte (CM) apoptosis. Given that CM apoptosis has been implicated as a potential mechanism in the development of cardiomyopathy and heart failure, we characterize the key signaling pathways in nicotine plus high-fat diet (HFD)-induced CM apoptosis. Adult C57BL6 male mice were fed a normal diet (ND) or HFD and received twice-daily intraperitoneal (IP) injections of nicotine (0...
December 5, 2016: Cell and Tissue Research
https://www.readbyqxmd.com/read/27889555/correlation-between-microvascular-dysfunction-and-b-type-natriuretic-peptide-levels-in-non-ischemic-heart-failure-patients-with-cardiac-fibrosis
#3
Kyoko Hirakawa, Megumi Yamamuro, Tomoaki Uemura, Seiji Takashio, Koichi Kaikita, Daisuke Utsunomiya, Mina Nakayama, Eiichiro Yamamoto, Yasuyuki Yamashita, Seiji Hokimoto, Kenichi Tsujita
BACKGROUNDS: The relationship between microvascular dysfunction and plasma B-type natriuretic peptide (BNP) levels remains unclear in heart failure (HF) patients with cardiac fibrosis. METHODS: This study evaluated 55 consecutive non-ischemic HF patients in an effort to determine the relationship between endothelial independent coronary microvascular dysfunction and plasma BNP levels, as well as whether each measure is correlated with myocardial fibrosis. We evaluated plasma BNP levels in patients with stable HF...
November 8, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27882404/reduced-trans-mitral-a-wave-velocity-predicts-the-presence-of-wild-type-transthyretin-amyloidosis-in-elderly-patients-with-left-ventricular-hypertrophy
#4
Satoru Yamamura, Yasuhiro Izumiya, Toshifumi Ishida, Yoshiro Onoue, Yuichi Kimura, Shinsuke Hanatani, Satoshi Araki, Koichiro Fujisue, Daisuke Sueta, Hisanori Kanazawa, Seiji Takashio, Hiroki Usuku, Koichi Sugamura, Kenji Sakamoto, Eiichiro Yamamoto, Megumi Yamamuro, Hisayo Yasuda, Sunao Kojima, Koichi Kaikita, Seiji Hokimoto, Hisao Ogawa, Kenichi Tsujita
Wild-type transthyretin amyloidosis (ATTRwt) is often overlooked in elderly patients with left ventricular hypertrophy (LVH). Impaired atrial function, in addition to ventricular diastolic dysfunction, is one of the hallmarks of cardiac amyloidosis. Here, we assessed the hypothesis that atrial function evaluated by A-velocity in pulse Doppler echocardiography is useful to differentiate ATTRwt in elderly patients with LVH. We analyzed 133 consecutive patients who underwent tissue biopsy to rule out infiltrative cardiomyopathy in our institute...
November 23, 2016: Heart and Vessels
https://www.readbyqxmd.com/read/27873766/incidental-finding-of-giant-pericardial-lipoma
#5
Handi Salim, Dhakshinamurthy Vijay Anand, Richard Watkin, Luke Tapp
We describe a patient with an incidental finding of a large mass adjacent to the heart detected on a screening CT scan. The differential diagnosis included primary and secondary tumours of the heart. Subsequent investigation with trans-thoracic echocardiogram and cardiac MRI confirmed a diagnosis of a giant pericardial lipoma, one of the common benign primary cardiac tumours.
November 21, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27872872/quantitative-analysis-of-hypertrophic-myocardium-using-diffusion-tensor-magnetic-resonance-imaging
#6
Nicholas Tran, Archontis Giannakidis, Grant T Gullberg, Youngho Seo
Systemic hypertension is a causative factor in left ventricular hypertrophy (LVH). This study is motivated by the potential to reverse or manage the dysfunction associated with structural remodeling of the myocardium in this pathology. Using diffusion tensor magnetic resonance imaging, we present an analysis of myocardial fiber and laminar sheet orientation in ex vivo hypertrophic (6 SHR) and normal (5 WKY) rat hearts using the covariance of the diffusion tensor. First, an atlas of normal cardiac microstructure was formed using the WKY b0 images...
October 2016: Journal of Medical Imaging
https://www.readbyqxmd.com/read/27872470/hereditary-amyloidosis-with-recurrent-lung-infiltrates
#7
Alberto E Revelo, Crischelle Magaspi, George Maguire, Wilbert S Aronow
BACKGROUND Amyloidosis is a protein conformational disorder characterized by extracellular deposition of amyloid fibrils in extracellular tissue. Lung involvement is most commonly caused by secondary AL amyloidosis. The familial autosomal-dominant senile transthyretin (ATTR) disease manifests mainly as polyneuropathy and restrictive cardiomyopathy denoting the name familial amyloidotic polyneuropathy (FAP). Rarely, this form manifests with clinical and radiologically relevant respiratory tract symptoms and lung involvement...
November 22, 2016: American Journal of Case Reports
https://www.readbyqxmd.com/read/27865193/different-clinical-outcomes-in-patients-with-asymptomatic-severe-aortic-stenosis-according-to-the-stage-classification-does-the-aortic-valve-area-matter
#8
Takeshi Kitai, Tomohiko Taniguchi, Takeshi Morimoto, Toshiaki Toyota, Chisato Izumi, Shuichiro Kaji, Kitae Kim, Naritatsu Saito, Kazuya Nagao, Tsukasa Inada, Eri Minamino-Muta, Takao Kato, Moriaki Inoko, Katsuhisa Ishii, Tadaaki Koyama, Ryuzo Sakata, Yutaka Furukawa, Takeshi Kimura
BACKGROUND: The ACC/AHA guidelines introduced a new classification of severe aortic stenosis (AS) mainly based on maximum jet velocity (Vmax) and mean pressure gradient (mPG), but not on aortic valve area (AVA). However, prognostic value of this new classification has not yet been fully evaluated. METHODS AND RESULTS: We studied 1512 patients with asymptomatic severe AS enrolled in the CURRENT AS registry in whom surgery was not initially planned. Patients were divided into 2 groups: Group 1 (N=122) comprised patients who met the recommendation for surgery; high-gradient (HG)-AS (Vmax≥4...
November 11, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27863908/role-of-echocardiography-for-catheter-based-management-of-valvular-heart-disease
#9
REVIEW
Takahiro Shiota
Catheter-based treatment of valvular heart disease, such as transvalvular aortic valve replacement (TAVR) or mitral clip procedure, has been increasingly accepted as a treatment choice for the past several years. Such new treatment options have been changing the management of patients with valvular heart disease drastically while socio-economic factors regarding their application need to be taken into consideration. The use of echocardiography, including transesophageal echocardiography (TEE), for such catheter-based treatments is essential for the success of the procedures...
November 15, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/27862058/translation-of-first-north-american-50-and-70-cc-total-artificial-heart-virtual-and-clinical-implantations-utility-of-3d-computed-tomography-to-test-fit-devices
#10
Alice S Ferng, Isabel Oliva, Clinton Jokerst, Ryan Avery, Alana M Connell, Phat L Tran, Richard G Smith, Zain Khalpey
Since the creation of SynCardia's 50 cc Total Artificial Hearts (TAHs), patients with irreversible biventricular failure now have two sizing options. Herein, a case series of three patients who have undergone successful 50 and 70 cc TAH implantation with complete closure of the chest cavity utilizing preoperative "virtual implantation" of different sized devices for surgical planning are presented. Computed tomography (CT) images were used for preoperative planning prior to TAH implantation. Three-dimensional (3D) reconstructions of preoperative chest CT images were generated and both 50 and 70 cc TAHs were virtually implanted into patients' thoracic cavities...
November 10, 2016: Artificial Organs
https://www.readbyqxmd.com/read/27855287/the-burden-and-implications-of-preoperative-atrial-fibrillation-in-australian-heart-valve-surgery-patients
#11
E Anne Russell, Warren F Walsh, Lavinia Tran, Robert Tam, Christopher M Reid, Alex Brown, Jayme S Bennetts, Robert A Baker, Graeme P Maguire
BACKGROUND: Atrial fibrillation (AF) is the most common preoperative arrhythmia in heart valve surgery patients and its prevalence is rising. This study aims to investigate the impact of AF on valve surgery early complications and survival and on valve disease of different aetiologies and populations with particular reference to Indigenous Australians with rheumatic heart disease (RHD). METHODS: The Australian and New Zealand Society of Cardiac and Thoracic Surgeons Cardiac Surgery Database was analysed to determine the association between preoperative AF and valve surgery outcome...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27834762/anatomic-correlation-of-posterior-aortic-root-enlarging-incisions
#12
Habib Subhani, Abdullrazak Hossien, Vi Tran, Andrew Cook, Qamar Abid, Rasheed Saad
OBJECTIVES: To clarify the terms surrounding the posterior aortic root enlarging incisions and correlate them anatomically. METHODS: This is a human cadaveric heart study in which measurements were taken along the path of the named incisions in 42 normal and congenitally malformed hearts using calipers. RESULTS: Our results indicate that there is a variable overlap of the left atrial wall with the anterior mitral leaflet and the aorta and that in individual cases it may not be possible to accurately predict the possibility of enlarging the root without opening the left atrium, though some papers suggest otherwise...
November 2016: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/27826348/complete-heart-block-in-association-with-dengue-hemorrhagic-fever
#13
Hafeez Ul Hassan Virk, Faisal Inayat, Zia Ur Rahman
Dengue virus infection affects the heart structurally and functionally. Clinical manifestations of cardiac complications secondary to dengue virus infection vary from self-limiting arrhythmias to severe myocardial infarction, leading to hypotension, pulmonary edema, and cardiogenic shock. However, we report a case of dengue hemorrhagic fever (DHF) complicated by a complete heart block. A female with DHF due to dengue virus serotype 2, presented to the emergency department with fever, headache, rash, and fatigue followed by an episode of syncope...
November 2016: Korean Circulation Journal
https://www.readbyqxmd.com/read/27816670/two-barcodes-encoded-by-the-type-1-pdz-and-by-phospho-ser-312-regulate-retromer-wash-mediated-sorting-of-the-%C3%A3-1-adrenergic-receptor-from-endosomes-to-the-plasma-membrane
#14
Mohammed M Nooh, Suleiman W Bahouth
Recycling of the majority of agonist-internalized GPCR is dependent on a type I-PDZ "barcode" in their C-tail. The recycling of wild-type (WT) ß1-AR is also dependent on its default "type-1 PDZ barcode", but trafficking of the ß1-AR is inhibited when PKA or its substrate serine at position 312 (Ser(312)) are inactivated. We tested the hypothesis that phospho-Ser(312) provided a second barcode for ß1-AR sorting from endosomes to the plasma membrane by determining the role of retromer/WASH complexes in ß1-AR trafficking...
November 2, 2016: Cellular Signalling
https://www.readbyqxmd.com/read/27813186/percutaneous-trans-coronary-venous-mitral-annuloplasty-in-patients-with-functional-mitral-regurgitation-analysis-of-poznan-carillon-registry-data
#15
Piotr Kałmucki, Olga Jerzykowska, Rafał Dankowski, Artur Baszko, Lucyna Kramer, Andrzej Szyszka, Tomasz Siminiak
OBJECTIVES: The purpose of our study is to verify, whether percutaneous mitral annuloplasty results in reverse remodeling in patients with functional mitral regurgitation (FMR) and impaired ejection fraction (EF) and to investigate which echo parameters may help in prediction of the efficacy of the procedure. BACKGROUND: FMR exacerbates left ventricular (LV) dilatation and contributes to both LV remodeling and heart failure. METHODS: We analyzed baseline and 1 month follow-up data in 22 consecutive patients with FMR, who underwent successful percutaneous trans-coronary venous mitral annuloplasty with the Carillon device...
December 2016: Journal of Interventional Cardiology
https://www.readbyqxmd.com/read/27798236/lamin-b1-contributes-to-the-proper-timing-of-epicardial-cell-migration-and-function-during-embryonic-heart-development
#16
Joseph R Tran, Xiaobin Zheng, Yixian Zheng
Lamin proteins form a meshwork beneath the nuclear envelope and contribute to many different cellular processes. Mutations in lamins cause defective organogenesis in mouse models and human diseases that affect adipose, brain, skeletal muscle, and the heart. In vitro cell culture studies have shown that lamins help maintain nuclear shape and facilitate cell migration. However, whether these defects contribute to improper tissue building in vivo requires further clarification. By studying the heart epicardium during embryogenesis, we show that Lb1 null epicardial cells exhibit an in vivo and in vitro migratory delay...
October 19, 2016: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/27793867/non-traumatic-trans-diaphragmatic-intercostal-hernia-and-cor-pulmonale-in-a-patient-with-poorly-controlled-obstructive-sleep-apnoea
#17
Syed Basharath Mehdi, Salem Madi, Jordan Sudworth
Trans-diaphragmatic intercostal hernia is a rare entity. Patient with multiple medical comorbidities, including obstructive sleep apnoea, presents with shortness of breath, leg oedema and a bulging swelling through the right chest wall. CT shows partial herniation of the right lung and liver through intercostal space and an echocardiogram reveals right heart failure. He was treated initially with continuous positive airway pressure with poor response and subsequently treated with adaptive servo ventilation with much better symptomatic relief and treatment tolerance...
October 28, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27788237/comparison-of-128-slice-low-dose-prospective-ecg-gated-ct-scanning-and-trans-thoracic-echocardiography-for-the-diagnosis-of-complex-congenital-heart-disease
#18
Guilin Bu, Ying Miao, Jingwen Bin, Sheng Deng, Taowen Liu, Hongchun Jiang, Weiping Chen
OBJECTIVE: To compare prospective ECG-gated multi-slice computed tomography (MSCT) and trans-thoracic echocardiography (TTE) in the diagnosis of complex congenital heart disease (CHD). METHODS: This was a prospective study of consecutive patients with complex CHD (age <7 years) treated at a tertiary hospital between May 2013 and May 2015. All patients were imaged with TTE and prospective ECG-gated 128-slice spiral CT in the week before surgery. Effective radiation dose (ED) was calculated from volume CT dose index (CTDIvol) and dose length product (DLP)...
2016: PloS One
https://www.readbyqxmd.com/read/27776951/urbanized-south-asians-susceptibility-to-coronary-heart-disease-the-high-heat-food-preparation-hypothesis
#19
Smitha Kakde, Raj S Bhopal, Swati Bhardwaj, Anoop Misra
OBJECTIVE: Known risk factors do not fully explain the comparatively high susceptibility to coronary heart disease (CHD) in South Asians (Indian, Pakistani, Bangladeshi, and Sri Lankan populations in South Asia and overseas). The search for explanatory hypotheses and cofactors that raise susceptibility of South Asians to CHD continues. The aim of this study was to propose "the high-heat food preparation hypothesis," where neo-formed contaminants (NFCs) such as trans-fatty acids (TFAs) and advanced glycation end-products (AGEs) are the cofactors...
January 2017: Nutrition
https://www.readbyqxmd.com/read/27773863/surgical-rescue-after-trans-catheter-interventional-procedures-in-congenital-heart-disease-patients-an-existing-problem
#20
Alessandro Varrica, Mauro Lo Rito, Tommaso Generali, Angela Satriano, Veronica D'Oria, Erica Conforti, Francesca Pluchinotta, Massimo Chessa, Gianfranco Butera, Alessandro Frigiola, Mario Carminati, Alessandro Giamberti
No abstract text is available yet for this article.
October 25, 2016: EuroIntervention
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